No. You'll also have the opportunity to delay the nag message for 3
minutes or 14.5 hours (your choice). The messages will go to the
system
operator, but in a way that is not visible to system automation. ;-)
And we are Marie of Roumania.
Alan Altmark
z/VM Development
IBM Endicott
Rob, all my belly button does is collect lintwhat does your's do
for
you? :-)
That is way, *way* too much information.
The source code for the Linux channel-attached 3480 device driver has
the complete list as #defines in the code.
Have you asked CA? We have something called CA-7 CPS which schedules
work from CA-7 on z/OS to various open system servers. I don't know
if
they have a z/Linux client.
Or you could just use CA7 and add NJE to your Linuxen or other open
systems boxen. CA7 natively understands submitting jobs
It's in MAILABLE format because it's actually a package of several
files.
Download the MAILABLE file to your VM system. RENAME the file to
SWPG0803 EXEC and run it to extract the 11 encoded files. Use and
enjoy.
3 months was chosen back in the early '80s.
This is local government.
As Mel Brooks would say: It's good to be the king!
Set up the APPC support in PERFKIT, run PERFMON disconnected, and then
run the PerfKit client app in a appropriate virtual machine. The machine
running the client app needs no privileges, and you can have multiple
people or terminals looking at the same data.
I think the default setup now ships
I think 3.1 would tolerate a Z, but not exploit it. It also depended on what
devices you had. I know of people still running VM/ESA 2.2 on a Z processor,
but it certainly isn't supported.
On 6/12/08 8:55 PM, Lee Stewart [EMAIL PROTECTED] wrote:
Hi... Does anyone know/remember the oldest
Coding the TAG and SPOOL commands rather than using LPR EXEC has fixed
the immediate problem. Thank you
And works better all around.
I'm not sure why the name of the link would need to be
different to the printer name specified in the PARM statement, so I
have
changed that.
Simple answer
On the other hand, it doesn't seem to be too obvious an optimization for
SERVICE to check whether the target userid is valid in the CP directory,
test whether the minidisk is valid, and not choke horribly if one or the
other isn't true. Given the complexity of SES/E, this seems like
something the
We are ramping up our Technical Recovery Plan, and intend to use channel-
extended tape units at a remote location when performing our regular full
and incremental backups.
This approach lives and dies on the speed of the link to the remote drives. I
ran this configuration a long time ago
Not if you do the backup to local tape drives, and then do a
tape-to-tape
copy to the remote drives.
Mark Post
Some auditors won't let you do it that way because there is a window
(however short) where only 1 copy exists.
What you say is so true. However, even a 50% increase in time may not
be a show-stopper for our shop, as opposed to running two complete
backup jobs.
YMMV. Also, keep in mind that you'll probably need to mess with the MIH
time values for class TAPE devices to compensate for the additional
This concept was considered, but is really last on the list - it's a
bit
of a mine field.
Running two VM:Backup service machines has potential, though, instead
of
running two backups serially on the same machine.
And how...there be dragons, big time. Two VM:Backup runs (even
simultaneous
If you twin remotely and locally, how does the restores work? Do you
have to code to just use the local drives for that?
If you do it the official way (channel extension to remote drives and
simultaneous twinning), VM:Backup records the data on two (or more)
unique volsers in parallel, and
No one has told us that the two backup runs have to be the same.
Consider yourself fortunate. At least one of our clients has to be able
to swear in (possibly international) courts that the two are written
simultaneously and are identical to the extent of technical feasibility.
It's a huge
Cisco has IP-over-BSC tunnelling capabilty.
Unless that's changed dramatically in recent years, that's just a serial
tunneling of the BSC traffic over an IP network, and you still need
something with BSC ports at the other end (ie a 3745 or equivalent).
CCL is definitely the right solution for replacing NCP, but BSC support
is going to be hard. There are BSC to SDLC converters, but they're
expensive and hard to find, and there aren't too many people left alive
that know how to configure one. It may be time to bite the bullet and
replace the BSC
The steps you should use are:
1) CPFMTXA or ICKDSF CPVOL FORMAT UNIT(xxx) the volume.
2) ATTACH xxx SYSTEM
3) Allocate a minidisk yyy in the CP directory entry for the guest using
the label of new volume XXX in the MDISK card.
4) Put directory online
5) if guest is running, log on to guest
TSO XMIT works for this purpose as well (doesn't do DISK DUMP, but you
get a 80 col file).
I don't remember where I got it and it doesn't seem to have any
authorshi
p
listed, but there is a PLI program for MVS 3.8 (still works under z/OS
1.
6)
that can read a dataset and create CMS's DISK
How we'd do it (this relates to the discussion of a few weeks ago):
Give it a read password of ALL (or equivalent rule in your ESM), and add
a DFSMS target to USERPROD NAMES on MAINT 19E. Then just tell anyone who
needs it to VMLINK DFSMS, or put it in SYSPROF EXEC and resave CMS.
Does z/OS speak TCPNJE? I thought it had to be SNANJE (at least that
was the deal back in 2002 when I last looked into this). Have the z/OS
guys finally seen the light and provided a TCPNJE protocol?
Yes, finally, z/OS 1.7 and later have TCPNJE (although you need some
PTFs for it to work
I have to get my z/VM console log files over to z/OS and I don't know
the best procedure to use to do this.
What is the best procedure to use?
We've developed a one-link TCPNJE implementation based on REXX and CMS
Pipelines that provides the ability to transfer files and messages to a
full
Now I'm confused. You write:
Running the NTP server is a whole lot better than even a daily
'ntpdate' via CRON.
and
The spiffy thing about time on System z is that the clock is
incredibly stable.
So which is it?
Both are true - the key problem is that if the operator is off when he
Thank you for this hint. Well I am also much more in favour to do the
installation on a separate disks, however in my case IBM install
instructions of the SDO (Semi-VMSES/E Licenced Products) tell to
install
it
on MAINT 19E.
Save yourself a lot of pain. Don't. Mixing stuff up on the 19E is
You forget the VMSES PARTCAT: I've got entries in VMSES PARTCAT for
all the things I store on 19E, even y own code gets a dummy prodid.
VMFCOPY can then be used to copy all files of a prodid. And, I
wouldn't be me if I hadn't coded an exec to help with the task: my
SESCOMP first compares
We need to put together something approaching a production network
environment for Windows(r) under z/VM testing.
We don't believe a 500 seat environment would generate any more
network
traffic or for that matter be any more complex than the network
definitions
for a z/VM Linux server
With the assumption that the real switch is configured properly, what
are
the best things to trouble-shoot on the VM side, to prove or disprove
my
definitions?
It would also be helpful to post the output of show interface for the
trunk port (do it in enable mode to get the full details) for
I think the problem is, TUBES really is taking control of port 23. One
of the procedures to setup TUBES telnet, is to take (comment) out the
PORT 23 statement from PROFILE TCPIP. So, there is no way of letting
TCPIP know that port 23 is a SECURE port. I think the fact that Macro4
says secure
I have used it and it works fine, as with a lot of IBM's stuff the
setup
is a little complicated, but maybe no worse than anyone elses.
What I don't know is if it works with SSL..
PVM doesn't have any direct IP terminal interface (you have to do the
DIAL PVM hack in the telnet server exit),
Well I got my SSLSERV up and started to update my PROFILE TCPIP to add
a
secure port to test with, then I remembered our session manager (Macro
4
- TUBES) intercepts port 23 for telnet and uses the port for TUBES.
They may not support it in TUBES, but the stack is doing all the work
anyway,
Routing DFSMS to some other filepool that VMSYS is very very easy:
If you know how, or why it should be this way. I do, you do -- most
people haven't got any idea to even think of trying this. Lying to APPC
to work around a hardcoded file reference like this is just ugly.
I also don't
I've removed the extraneous line end from the copy on
www.sinenomine.net. Should be happy now.
You have server support for SSL-wrapped telnet, via a Linux guest. The
telnet client on VM doesn't gain that support until 5.3. The option you
reference is just what you want the 5.3 client to default - secure or
plaintext telnet. You still need the Linux guest, etc.
Use the CMS NFS client. It makes the remote system look like a BFS to
CMS (with all the BFS weirdness that that implies).
I saw this link on your previous email, but it looked as if it would
only work with z/VM 5.3 ! We are still 5.2 . We plan to migrate
sometime
this year, but not before I need to start on this secure telnet
project.
Version 2.0 requires 5.3. Version 1.5 will work with 5.2 down to 3.1.
This process also works identically from non-VM platforms (ie. sending
VMWARE accounting data to z/OS) for which using RSCS is not an option.
Actually, there are TCPNJE services for VMWare, but I can see the point.
Nifty setup.
I'm not sure what the actual intent is, but I received an email from
my
P/390 client, wanting to explore the possibilities of upgrading to the
MP3000 (about $3K on the used market). Right now, I don't know if
this
would be the disaster recovery machine, or a replacement for the
existing
And of course it could be updated, but they probably have to weigh the
cost vs other new things that development could be doing. So goes the
Song of Chuckie... ;-)
Or the Ballad of Chuckie (if old Sam Coleridge wants a footnote for
this, he's a loonie):
In Endicott did Mom Watson's boy
A
I'm not sure whether you need:
a) MORE LAUDANUM
or
b) Urgent visit from A Person From Porlock
Unfortunately, I'd have to deceive someone important again. He's
watching this time.
(and people ask me what a good liberal education is good for...)
It's also your best route to move files, print and monitoring data
over
to other IBM OSes like z/OS (and non-IBM systems with a little help
from
us) without human intervention.
I recently setup an automated process to FTP to z/OS data extracted
from
DISKACNT's ACCOUNT files every day. No
I have some very new volumes that I am going create another second level
machine.
Do I always have to CP FORMAT the new volumes before I do a DDR ALL? Or does
the DDR all
Copy all the formatting?
You probably don't *have* to do the format first, but if this is the first time
the volumes
We are doing a z/VM and zLinux proof of concept and are starting
gather
prices for presentation to management. The trial z/VM software from
IBM
and the price quote contain RSCS and I'm trying to determine exactly
what it is used for.
From http://www.vm.ibm.com/networking/ it is explained to
for their polite comments
and feedback. Suggestions and polite comments can be sent to me offlist.
-- db
David Boyes
Sine Nomine Associates
PS - there will be a major update and reorg of the Sine Nomine WWW site
in the next few days to throw a bone to the marketing and image people
(whips and raw
I don't understand why the Unix/Linux world prefers SFTP to FTPS
Implementation of SFTP doesn't require certificate management
infrastructure and expensive certificates from external organizations.
Ssh is also open source and freely distributed; few if any FTPS clients
or servers are.
The
Implementation of SFTP doesn't require certificate management
infrastructure and expensive certificates from external
organizations.
Ssh is also open source and freely distributed; few if any FTPS
clients
or servers are.
No certificate management? Feh. You are responsible to adhere to
Why is an SSH daemon absolutely fundamental and prerequisite to a CMS
SCP command to move a PDF from my A-disk to one of my linux servers
for
serving via Apache?
It's not. I'm working on porting the PuTTY standalone utilities. They
don't require a local SSH server.
You would have to write the moral equivalent of VSCS, doing LU 2 on
one
side and LDSF on the other. (VSCS uses *CCS, not LDSF, but let's not
quibble over details.)
Minus 3d10 sanity for *CCS exposure. (*CCS qualifies as squamous
crawling horror)
If you're going to do it this way, just use
Does anyone know of a program or utility that can generate an SNMP
message preferably from a REXX exec?
If you have a C compiler, snmptrap.c from the net-snmp open source
package will compile fairly easily on CMS and can be directed to send
traps or other SNMP datagrams fairly easily.
Ok, I'll ask. Why wouldn't one attach an OSA card directly to a Linux
guest?
Ties a guest to a particular piece of hardware (failure point), and
forces the guest to handle all the recovery, ARP management, etc. Having
CP do it for multiple guests is a much more resource efficient approach.
It
Does z/VM support SCP/SFTP functionality?
No. That would require a working SSH. VM implements FTPS.
The next meeting of Hillgang (the Washington DC area VM users group)
will be held on April 24 at CA in Herndon VA.
The meeting will feature Mike Cowlishaw, IBM Fellow and creator of REXX,
as well as technical updates on some new research, and the usual QA
free-for-all with VM and Linux
Unless anything has changed, SSLSERV is a non-starter if you have more
than 126 concurrent sessions. Aside from that, it is very stable with
the latest patches (our VM is 520).
We plan to post a refresh of the SSL Enabler 2 system that will contain
these fixes as soon as time permits.
An
I wondered who would be the first to ask that. I does not prevent one
from going into CP READ. OPTION CONCEAL does add more protection.
OTOH, do you REALLY want a Linux virtual machine to reIPL if you somehow
manage to generate a CP READ? Seems to be going direct to the nuclear
option
You need one system with DIRMAINt and the two others with DIRMSAT. Note
a pitfall that I remember from the 9221 days when I impleted it: one of
the DIRMAINT's minidisks should never be linked by anyone, or the
DIRMSAT workers won't run.
Nifty. Glad to know that this is now supported for more
Not really. We had a user logon to a z/Linux guest and hit PA1
instead of PA2 and left it sit there too long. I wanted to prevent
hitting PA1 putting it into CP READ. OPTION CONCEAL might be a too
powerful hammer.
Sounds like it. OPTION CONCEAL was really designed for CMS machines that
What happens if you simply DETACH the VM console? Hard to hit PA1 in
that case. OK, maybe a bit extreme, but it would stop the problem.
Trying that on my test system caused Linux to panic -- having
/dev/console go away is not a friendly act. Probably not desirable.
OpenSolaris tolerated it
At 09:02 PM 4/10/2008, you wrote:
What's Normal?
90 degrees from the current nominal vector composition. 8-)
Just north of Bloomington.
Close enough.
The following link makes it sound like you can run Linux and MS
Windows virtual servers on z/VM 5.3. Is this the case? We are looking
for a Main Frame / Enterprise Server that will run x86 based OSs like
Linux and MS Windows.
You cannot run Intel binaries efficiently
But you echo my sentiment that it would great to see Bochs and the
kernel
compiled with z10 optimization and to try Windows again.
Make a z10 available, and we'll be there. 8-)
-- db
It is not put on the same server, you are given no indication of how
to
get to it. The naming conventions are different. Instead, you are
given
the choice of either DownloadDirector (which does not seem to be
functional, even though it stores something unusable on your disk and
says it
Once a z/VM Linux guest is defined and the Linux operating system is
installed and initial users such as a root user and admin user added to
the system what would be the most common way of accessing the Linux
guest?
Ssh over the network is the accepted method.
Could you dial into the
I can, and did, install the NoMachine server code on a Suse machine (not
in z/VM Linux machine) and the client on a Windows machine and I'm
wondering this; if the Server code runs in a Suse machine and the Suse
machine happens to be a z/VM guest, it should work...right?
Not necessarily. If
IBM's Service Director PC did log itself into VM via a 'terminal': PC
had a cable into a 3172? controller and looked like 'terminal' from
VM's
viewpoint.
hence, SERVICE - 0362
If I remember that product correctly, an automated process on an
outboard PC logged in and periodically ran a number
I haven't heard that one before, Neale (maybe because I never worked
in
a VM-VTAM environment, lucky me), but it is laugh out loud funny.
Right up there with Ole and Lena. 8-)
Worse yet, it's a general SNA issue, not just VM. APPN session setup is
even weirder...
I am not sure that you were defending VTAM. All of the interesting
things that you did were done to overcome deficiencies. That seems
quite
the opposite of a defense.
Richard Schuh
On the matter of defense of VTAM, one thing that VTAM (and SNA
networking in general) does do well is lend
If the di
sk
is not a normal SFS disk, then this is a first IPL at DR and the
profile
runs a FILESERV GENERATE. When that is finished, I can use the
FILEPOOL
RELOAD to load the content back into the SFS server.
Hmm. FILEPOOL DUMP and FILEPOOL RELOAD are another set of CMS commands
that need
ftp://ftp.andrew.cmu.edu/pub/mpack/
munpack is a fairly simple C program that does what you want (eats a
MIME-formatted input file with multiple MIME elements) and writes the
individual elements to files. You'll need to tweak the filename handling
(or use it in a BFS environment), but it should
Modern Linuxes don't run on p390-class machines anymore, I think.
Halfword immediate instructions maybe?
With a proper support contract you could get the microcode that
supports halfway immediate instructions.
Didn't that require a p390e card or an IS, though? I don't think the MCA
Is this really true??? One per *virtual*, not *real*,
machine? If I were two run two
copies of Windows on *one* PC, using e.g. VM-Ware,
I would be required to pay twice???
Depends on what version of Windows. Some versions have restrictions on
where they can legally run, and there are
We have been using VM for 20 of our 27 years in business. A
development
environment without it has never been considered an option.
Now that's the sort of quote that should appear in IBM marketing
materials.
-- db
Are you saying or asking if has run Bochs on a mainframe? That would
be a very significant achievement.
Not very. Adam's done it on our MP3K (RIP -- check the archives for a
URL with the screenshot of WinNT beating the living daylights out of our
poor abused H70). Don't recommend it on that
There could be virtualization uses
at some point. My shop is a heavy MS shop and trying to retire
their Multiprise 3000. It would be nice to pilot the migration
of some Windows servers onto our lightly loaded VM/ESA system.
Wait for the new hardware, at least if you have anything else
Systems such as z/OS do not run on an IFL due to
some differences in the microcode loaded.
z/OS doesn't run because it deliberately issues an instruction subcode
that is not implemented on an IFL and then craters in a specified way
when the instruction fails.
If somebody wanted to, they
z/OS doesn't run because it deliberately issues an instruction
subcode
that is not implemented on an IFL and then craters in a specified
way
when the instruction fails.
One might infer from your characterization that z/OS added code to
intentionally crater itself on an IFL, and that would
I suppose another way of describing this is that in XMENU from CA
there
is a SMSG option.
You put up the screen/menu with the SMSG option - if someone(server)
sends you an SMSG you wakeup and can take action.
I am looking for a way to do this with VSCREEN.
If you can tolerate the client
Almost. I would consider the PIPE that uses the starmon stage to be a
utility; the stage by itself is simply a tool used to build the
utility.
An interesting thought: when was the last time someone sat down and went
through everything that's on the default S disk? It might be very
Perhaps I've mis-interpretted the term 'Full Volume Minidisk'.
I format cylinder 0 0, and then give the 'Volume Label'.
I've understood that to mean I'm making cyl 1 to end available for
linux
and using cyl 0 for vm. Is that not correct?
Usually, full volume minidisks get cyl 0 as well. I
[assorted snarling]
Take it off list, folks. You can agree to disagree, but a certain level
of civility is expected. This level of confrontation isn't useful or
productive; it scares the newbies, and the advertising level is getting
a bit annoying again.
My note was a response to Barton, not Alan. Alan *has* been civil during
the entire discussion, as usual.
In light of recent discussions on IBM-MAIN, IBMVM and elsewhere...
This is a fantastic collection of useful documents on Linux and Unix
management and scalability, with a rising amount of content on
virtualization and virtual machines (and even some good papers from
other parts of IBM on the
We have reached the point in our Linux farm where some of our guests
have
served their useful purpose.As such I'm going to 'reuse' their
DASD
for new guests.
I'm sure I can 'reformat' (cpfmtxa) them as I did originally, but I
thought I would check on alternatives that others might have.
Reformat the volumes with CPFMTXA or ICKDSF CPVOL, add them to your
directory management tool (if you have one), and allocate a minidisk
from 1-End and give that to the new guests.
As has been previously mentioned, by you among others, allocating the
minidisk from (1) to (end-1) would be
1) I need to change my VM directory so that I have DEDICATE VOLID
yy rather than DEDICATE (which is what we're doing
now).
One possible preparation: If you consistently do not use the last
cylinder of every volume, you could restore your disks into minidisks on
the VM
But, while I understand that, once a UDP message leaves my hands,
there is no guarantee of delivery, I would think that the RFC would
kick in once the message had actually been sent. The fact that the
failure was still inside my box, and completely detectable, bothers me.
Is it really right
See the section on configuring the SSL server in the TCPIP Planning and
Configuration manual. You need to update the MAXSESS parm in the
DTCPARMS file for that userid and restart.
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of
My question now is what is the logic behind requiring a user to be in
TCPIP¹s Obey list to allow it to use certain TCP/IP ports and protocols. It
isn¹t everything, because things like FTP work, and I think you can play
fairly fast and loose with higher numbered ports.
Port number 1024 are
My point exactly.
FTPSERVE is listed as an authorized virtual machine in the PORTS list in the
TCPIP PROFILE. This permits it to listen on a low port.
The FTP client does not use a low source port, so is not subject to the
restriction.
Also: If I violate this using Pipe and the UDP stage, why don¹t I get a
non-zero return code?
Because there are no guarantees in the IP protocol specifications that UDP
packets are ever delivered. UDP was designed to have those semantics, and
thus if you use UDP, you're expected to
A suggestion: In place of the DDR on the S disk, use CMSDDR
(downloadable from the VM Download library at www.vm.ibm.com/download),
and dump the volumes to a CMS file with a meaningful name (like vaddr
date). Then you can use TAPE DUMP or MOVEFILE to move the files to
tape (also gives you SL
From RACF Report Writer:
008.066 08:35:02 VMSP ALTMARKA SYS1 093C43C3 0 2 0 JOBID=(
00.000 00:00:00)
Hmm. Given that the 093C43C3 is effectively a decimal-to-hex
representation of a 4 octet IPv4 address, have you folks given it any
thought about what to do with IPv6 addresses?
This methodology can give you a scanable tape but it does increase
your
i/o load and elapsed time quite a bit.
It's manageable if you can put the scratch disk out of the line of
processing for production work (ie, different string or controller).
If you have enough spare DASD,
you could do
I am wondering what would be best approach to define an X Disk in the
SFS
. I
mean, normally one puts the files accessible to all users on a mini
disk
that everybody can access.
How can you do that with SFS?
The way we do it is to define a new filepool called TOOLS:, define a
user called
Diag(0) returns a lot of interesting stuff, but not the same kinds of
things that sysvar/mvsvar do. In most cases, the information isn't
accessible to users with class G only, and they have no business knowing
about anything outside their virtual machine.
Right or off entirely.
Where does the prefix field belong?
On the left?
or
On the right?
Let me apologize in advance for asking so many questions related to VM
software licensing. I don't get a clear picture sometimes of what is a
non-chargeable feature and what is.
If you ever completely understand it, please let the rest of us
know...8-). Of course, if you do, the guys in
and there is an embedded cut-down LE preinstalled
that will probably suffice for your use.
The LE supplied with z/VM is the complete LE package. It contains the
run-time libraries for C/C++, COBOL, and PL/I. There is no other version
of LE available or needed for z/VM. This is the prereq that
You'll love the string handling capabilities.
Sung to the tune of... If I only had a (m-)brane
I'm a frayed knot!
Thanks, likewise our linux guests and VM itself is down.
I was more curious around the cp allocations for page, spool tdisk
were
they preserved.
Page is volatile by definition, so backing it up is kinda pointless.
Ditto tdisk. Spool, you need to do with SPXTAPE if you expect it to be
usable
Is it possible to run Solaris Zone on this ported version?
How about available application for Solaris, I mean compiled binary
applications, for example Sun JDK.
Can't comment on other vendors plans, and I haven't tested zones yet.
There's no reason why it shouldn't work, but you'd be lots
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